CBSE Class 10 Math 2023 Delhi Set-3 Solved Paper - Question 10 | ...

CBSE Class 10 Math 2023 Delhi Set-3 Solved Paper

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SECTION - D
Section-D consists of Long Answer (LA) type of questions of 5 marks each.

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Question : 10 of 11

Marks: +1, -0

(A) In a

△ P Q R, N

is a point on

P R

, such that

{\QN} ⟂ {\PR}

. If

{\PN} × {\NR}= {\QN}^2

, prove that

∠ {\PQR}=90^{∘}

OR
(B) In the given figure,

△ {\ABC}

and

△ {\DBC}

are on the same base

B C

. If

A D

intersects

B C

at O. Proved that

\;{{\ar}(△ {\ABC})}/{{\ar}(△ {\DBC})}=\;{ {\AO}}/{ {\DO}}

Solution:

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